Bryan Callen (Friday and Saturday) This original “MADtv” cast member, who’s also well-known for his turns in “The Hangover” and “Sex and the City,” brings his energetic act to Gotham. Friday at 8:30 and 10:30 p.m., Saturday at 8, 10 and 11:45 p.m., Gotham Comedy Club, 208 West 23rd Street, Chelsea, (212) 367-9000, gothamcomedyclub.com; $25, with a two-drink minimum; $115 V.I.P. packages include drinks and more. (Megan Angelo)

★ Chicago Improv Festival’s College Improv Tournament (Saturday) The Magnet Theater hosts some of the sharpest college improv teams around — including those from Yale, Princeton, Cornell, Manhattan College and New York University — for a regional bracket of the Chicago Improv Festival’s university competition. The groups will perform at noon, 2 and 4 p.m., with the regional finals starting at 7 p.m., Magnet Theater, 254 West 29th Street, at Eighth Avenue, Manhattan, (212) 244-8824, magnettheater.com; $10 for the early shows, $15 for the finals. (Angelo)